installer_adobe_flash_player_english.exe

The application installer_adobe_flash_player_english.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Nullsoft Install System installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from 166567036.r.cdn77.net.
MD5:
20fa16ed88a4a6b7a4ad0ee6dfec2589

SHA-1:
6e654746b55cc3f6ef27c278f1e64f3ed145cb15

SHA-256:
e63a11314df48c532628d40203f3d560111c697e1ed62f6df02aa2a3b0f4dbc3

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
This is part of the Crossrider Internet browser extension framework which may modify the user's web browser settings including changing the home and search pages.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application.

Analysis date:
4/25/2025 3:51:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DownloadAdmin.Bundler.Meta (M)
16.5.25.11

File size:
971.3 KB (994,562 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\installer_adobe_flash_player_english.exe

File PE Metadata
Compilation timestamp:
2/19/2012 8:01:57 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
24576:7B6ULZR6abp3ubuXmJ6kX7xScTC1s570kRvmU2k8Kc2:7H36E3RmHxRCSQk1mU

Entry address:
0x4131

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 43, 43, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 44, 43, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 44, 43, 00, 56, A3, F4, 27, 43, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8B, 3B, 00, 00, A3, 50, 28, 43, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, A9, B2, 40, 00, FF, 15, AC, 44, 43, 00, 83, EC, 14, C7, 44, 24, 04, AA, B2, 40, 00, C7...
 
[+]

Entropy:
7.3067

Code size:
33.5 KB (34,304 bytes)

The file installer_adobe_flash_player_english.exe has been seen being distributed by the following URL.

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